Lear has production design by Robert Innes Hopkins, lighting design by Peter Mumford, music by Isobel Waller-Bridge and sound design by Fergus O'Hare.

Frank Langella made his Broadway debut in Seascape and has also appeared on Broadway in Man and Boy, A Man for All Seasons, Match, Passion, Amadeus, The Father, Hurlyburly, Present Laughter and Design for Living. Langella is the recipient of three Tony Awards, for Frost/Nixon, Fortune's Fool and Seascape. Also a star of feature film, his movie credits boast "Dracula," "Lolita," "The Ninth Gate," "Small Soldiers," "Dave," "Diary of a Mad Housewife" and "The Twelve Chairs." He is an Academy Award nominee for "Frost/Nixon."